Not sure about 30D...since I am not a canon user, but- h5 e: ^( N: A! m) J: l7 S
& B; p1 t0 ]' Q( b
For most of the Cameras, this sound is simulated, and it can be turned off in setting manu... - Z; z1 i* p- _! z) h8 A( ]3 T4 a 4 f! p- h4 P) {8 _7 wThe shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.